target/linux/ifxmips/files-2.6.33/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h

   1 /*
   2  *   This program is free software; you can redistribute it and/or modify
   3  *   it under the terms of the GNU General Public License as published by
   4  *   the Free Software Foundation; either version 2 of the License, or
   5  *   (at your option) any later version.
   6  *
   7  *   This program is distributed in the hope that it will be useful,
   8  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *   GNU General Public License for more details.
  11  *
  12  *   You should have received a copy of the GNU General Public License
  13  *   along with this program; if not, write to the Free Software
  14  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  15  *   Copyright (C) 2007 John Crispin <blogic@openwrt.org>
  16  */
  17 #ifndef _IFXMIPS_GPIO_H__
  18 #define _IFXMIPS_GPIO_H__
  19
  20 extern int ifxmips_port_reserve_pin(unsigned int port, unsigned int pin);
  21 extern int ifxmips_port_free_pin(unsigned int port, unsigned int pin);
  22 extern int ifxmips_port_set_open_drain(unsigned int port, unsigned int pin);
  23 extern int ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin);
  24 extern int ifxmips_port_set_pudsel(unsigned int port, unsigned int pin);
  25 extern int ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin);
  26 extern int ifxmips_port_set_puden(unsigned int port, unsigned int pin);
  27 extern int ifxmips_port_clear_puden(unsigned int port, unsigned int pin);
  28 extern int ifxmips_port_set_stoff(unsigned int port, unsigned int pin);
  29 extern int ifxmips_port_clear_stoff(unsigned int port, unsigned int pin);
  30 extern int ifxmips_port_set_dir_out(unsigned int port, unsigned int pin);
  31 extern int ifxmips_port_set_dir_in(unsigned int port, unsigned int pin);
  32 extern int ifxmips_port_set_output(unsigned int port, unsigned int pin);
  33 extern int ifxmips_port_clear_output(unsigned int port, unsigned int pin);
  34 extern int ifxmips_port_get_input(unsigned int port, unsigned int pin);
  35 extern int ifxmips_port_set_altsel0(unsigned int port, unsigned int pin);
  36 extern int ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin);
  37 extern int ifxmips_port_set_altsel1(unsigned int port, unsigned int pin);
  38 extern int ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin);
  39
  40 #endif